/Engine/Plugins/Editor/SequencerAnimTools/Source/SequencerAnimTools/Public/SequencerAnimEditPivotTool.h
The way this sequencer pivot tool works is that it will use modify the incoming selections temp pivot while the mode is active. Reselecting will turn off the mode. Builder forUSequencerPivotTool
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class USequencerPivotToolBuilder : public [UInteractiveToolBuilder](API\Runtime\InteractiveToolsFramework\UInteractiveToolBuilder)